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/*
* Copyright 1998-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
package javax.media.j3d;
/**
* The StructureUpdateThread is thread that passes messages to its structure
*/
class StructureUpdateThread extends J3dThread {
/**
* The structure that this thread works for
*/
J3dStructure structure;
/**
* Some variables used to name threads correctly
*/
private static int numInstances[] = new int[7];
private int instanceNum[] = new int[7];
private synchronized int newInstanceNum(int idx) {
return (++numInstances[idx]);
}
int getInstanceNum(int idx) {
if (instanceNum[idx] == 0)
instanceNum[idx] = newInstanceNum(idx);
return instanceNum[idx];
}
/**
* Just saves the structure
*/
StructureUpdateThread(ThreadGroup t, J3dStructure s, int threadType) {
super(t);
structure = s;
type = threadType;
classification = J3dThread.UPDATE_THREAD;
switch (type) {
case J3dThread.UPDATE_GEOMETRY:
setName("J3D-GeometryStructureUpdateThread-" + getInstanceNum(0));
break;
case J3dThread.UPDATE_RENDER:
setName("J3D-RenderStructureUpdateThread-" + getInstanceNum(1));
break;
case J3dThread.UPDATE_BEHAVIOR:
setName("J3D-BehaviorStructureUpdateThread-" + getInstanceNum(2));
break;
case J3dThread.UPDATE_SOUND:
setName("J3D-SoundStructureUpdateThread-" + getInstanceNum(3));
break;
case J3dThread.UPDATE_RENDERING_ATTRIBUTES:
// Only one exists in Java3D system
setName("J3D-RenderingAttributesStructureUpdateThread");
break;
case J3dThread.UPDATE_RENDERING_ENVIRONMENT:
setName("J3D-RenderingEnvironmentStructureUpdateThread-"+
getInstanceNum(4));
break;
case J3dThread.UPDATE_TRANSFORM:
setName("J3D-TransformStructureUpdateThread-"+ getInstanceNum(5));
break;
case J3dThread.SOUND_SCHEDULER:
setName("J3D-SoundSchedulerUpdateThread-"+ getInstanceNum(6));
break;
}
}
@Override
void doWork(long referenceTime) {
structure.processMessages(referenceTime);
}
}
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